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<div class="header">
  <div class="headertitle">
<div class="title">qwt_polar_canvas.cpp</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * QwtPolar Widget Library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 2008   Uwe Rathmann</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160; </div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &quot;qwt_polar_canvas.h&quot;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &quot;qwt_polar_plot.h&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &quot;qwt_painter.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;qpainter.h&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;qevent.h&gt;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;qpixmap.h&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;qstyle.h&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;qstyleoption.h&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#ifdef Q_WS_X11</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &lt;qx11info_x11.h&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160; </div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> qwtDrawStyledBackground(</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;    QWidget* widget, QPainter* painter )</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;{</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    QStyleOption opt;</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    opt.initFrom( widget );</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    widget-&gt;style()-&gt;drawPrimitive( QStyle::PE_Widget, &amp;opt, painter, widget );</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;}</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="keyword">static</span> QWidget* qwtBackgroundWidget( QWidget* w )</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;{</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <span class="keywordflow">if</span> ( w-&gt;parentWidget() == NULL )</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        <span class="keywordflow">return</span> w;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    <span class="keywordflow">if</span> ( w-&gt;autoFillBackground() )</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    {</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        <span class="keyword">const</span> QBrush brush = w-&gt;palette().brush( w-&gt;backgroundRole() );</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        <span class="keywordflow">if</span> ( brush.color().alpha() &gt; 0 )</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;            <span class="keywordflow">return</span> w;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    }</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <span class="keywordflow">if</span> ( w-&gt;testAttribute( Qt::WA_StyledBackground ) )</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        QImage image( 1, 1, QImage::Format_ARGB32 );</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        image.fill( Qt::transparent );</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        QPainter painter( &amp;image );</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        painter.translate( -w-&gt;rect().center() );</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        qwtDrawStyledBackground( w, &amp;painter );</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        painter.end();</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <span class="keywordflow">if</span> ( qAlpha( image.pixel( 0, 0 ) ) != 0 )</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;            <span class="keywordflow">return</span> w;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    }</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160; </div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="keywordflow">return</span> qwtBackgroundWidget( w-&gt;parentWidget() );</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;}</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160; </div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="keyword">class </span>QwtPolarCanvas::PrivateData</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;{</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    PrivateData()</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        : <a class="code" href="class_qwt_polar_canvas.html#ad54cdb87c053882b5567753d7dfa6072">backingStore</a>( NULL )</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    {</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    }</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160; </div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    ~PrivateData()</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    {</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        <span class="keyword">delete</span> <a class="code" href="class_qwt_polar_canvas.html#ad54cdb87c053882b5567753d7dfa6072">backingStore</a>;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    }</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160; </div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    <a class="code" href="class_qwt_polar_canvas.html#a1fe73f1cc6086c16dbbce571db807a6a">QwtPolarCanvas::PaintAttributes</a> paintAttributes;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    QPixmap* <a class="code" href="class_qwt_polar_canvas.html#ad54cdb87c053882b5567753d7dfa6072">backingStore</a>;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;};</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160; </div>
<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="class_qwt_polar_canvas.html#aa5f39d822a71e056b4735da113a0a4e5">   77</a></span>&#160;<a class="code" href="class_qwt_polar_canvas.html#aa5f39d822a71e056b4735da113a0a4e5">QwtPolarCanvas::QwtPolarCanvas</a>( <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* plot )</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    : QFrame( plot )</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;{</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    m_data = <span class="keyword">new</span> PrivateData;</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="preprocessor">#ifndef QT_NO_CURSOR</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    setCursor( Qt::CrossCursor );</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    setFocusPolicy( Qt::WheelFocus );</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160; </div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <a class="code" href="class_qwt_polar_canvas.html#ae7010120b9f6905bd31f748775c80b6c">setPaintAttribute</a>( <a class="code" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613ab8c07aaa7ba2c8833fd4d0cfd9955829">BackingStore</a>, <span class="keyword">true</span> );</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;}</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160; </div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="class_qwt_polar_canvas.html#aaf0b8442dc8b32353d7705c9dcc28bc0">   91</a></span>&#160;<a class="code" href="class_qwt_polar_canvas.html#aaf0b8442dc8b32353d7705c9dcc28bc0">QwtPolarCanvas::~QwtPolarCanvas</a>()</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;{</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="keyword">delete</span> m_data;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;}</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160; </div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">   97</a></span>&#160;<a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* <a class="code" href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">QwtPolarCanvas::plot</a>()</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;{</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    <span class="keywordflow">return</span> qobject_cast&lt; QwtPolarPlot* &gt;( parent() );</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;}</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="class_qwt_polar_canvas.html#a1beed9ad6999fa4322df146357ebdb09">  103</a></span>&#160;<span class="keyword">const</span> <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* <a class="code" href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">QwtPolarCanvas::plot</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    <span class="keywordflow">return</span> qobject_cast&lt; QwtPolarPlot* &gt;( parent() );</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;}</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160; </div>
<div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="class_qwt_polar_canvas.html#ae7010120b9f6905bd31f748775c80b6c">  118</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_canvas.html#ae7010120b9f6905bd31f748775c80b6c">QwtPolarCanvas::setPaintAttribute</a>( <a class="code" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">PaintAttribute</a> attribute, <span class="keywordtype">bool</span> on )</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;{</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    <span class="keywordflow">if</span> ( <span class="keywordtype">bool</span>( m_data-&gt;paintAttributes &amp; attribute ) == on )</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160; </div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    <span class="keywordflow">if</span> ( on )</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        m_data-&gt;paintAttributes |= attribute;</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        m_data-&gt;paintAttributes &amp;= ~attribute;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160; </div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <span class="keywordflow">switch</span>( attribute )</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    {</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613ab8c07aaa7ba2c8833fd4d0cfd9955829">BackingStore</a>:</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        {</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;            <span class="keywordflow">if</span> ( on )</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;            {</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                <span class="keywordflow">if</span> ( m_data-&gt;backingStore == NULL )</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;                    m_data-&gt;backingStore = <span class="keyword">new</span> QPixmap();</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;                <span class="keywordflow">if</span> ( isVisible() )</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;                {</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;                    <span class="keyword">const</span> QRect cr = contentsRect();</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="preprocessor">#if QT_VERSION &gt;= 0x050000</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;                    *m_data-&gt;backingStore = grab( cr );</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;                    *m_data-&gt;backingStore = QPixmap::grabWidget( <span class="keyword">this</span>, cr );</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;                }</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;            }</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;            {</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;                <span class="keyword">delete</span> m_data-&gt;backingStore;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;                m_data-&gt;backingStore = NULL;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;            }</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        }</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    }</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;}</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160; </div>
<div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="class_qwt_polar_canvas.html#a9834b8341d95b4435baf7774ca390328">  164</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="class_qwt_polar_canvas.html#a9834b8341d95b4435baf7774ca390328">QwtPolarCanvas::testPaintAttribute</a>( <a class="code" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">PaintAttribute</a> attribute )<span class="keyword"> const</span></div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <span class="keywordflow">return</span> ( m_data-&gt;paintAttributes &amp; attribute ) != 0;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;}</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160; </div>
<div class="line"><a name="l00170"></a><span class="lineno"><a class="line" href="class_qwt_polar_canvas.html#ad54cdb87c053882b5567753d7dfa6072">  170</a></span>&#160;<span class="keyword">const</span> QPixmap* <a class="code" href="class_qwt_polar_canvas.html#ad54cdb87c053882b5567753d7dfa6072">QwtPolarCanvas::backingStore</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;backingStore;</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;}</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160; </div>
<div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="class_qwt_polar_canvas.html#a4afef808e10242a83a26f4b856aa4cef">  176</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_canvas.html#a4afef808e10242a83a26f4b856aa4cef">QwtPolarCanvas::invalidateBackingStore</a>()</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;{</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    <span class="keywordflow">if</span> ( m_data-&gt;backingStore )</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        *m_data-&gt;backingStore = QPixmap();</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;}</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160; </div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="class_qwt_polar_canvas.html#a6ec2cf0f674a6aa0d5478de546de6f84">  186</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_canvas.html#a6ec2cf0f674a6aa0d5478de546de6f84">QwtPolarCanvas::paintEvent</a>( QPaintEvent* event )</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;{</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    QPainter painter( <span class="keyword">this</span> );</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    painter.setClipRegion( event-&gt;region() );</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160; </div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    <span class="keywordflow">if</span> ( ( m_data-&gt;paintAttributes &amp; <a class="code" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613ab8c07aaa7ba2c8833fd4d0cfd9955829">BackingStore</a> )</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        &amp;&amp; m_data-&gt;backingStore != NULL )</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    {</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;        QPixmap&amp; bs = *m_data-&gt;backingStore;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;        <span class="keywordflow">if</span> ( bs.size() != size() )</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;        {</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            bs = QPixmap( size() );</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="preprocessor">#ifdef Q_WS_X11</span></div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;            <span class="keywordflow">if</span> ( bs.x11Info().screen() != x11Info().screen() )</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;                bs.x11SetScreen( x11Info().screen() );</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160; </div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;            QPainter p;</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160; </div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            <span class="keywordflow">if</span> ( testAttribute( Qt::WA_StyledBackground ) )</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;            {</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;                p.begin( &amp;bs );</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;                qwtDrawStyledBackground( <span class="keyword">this</span>, &amp;p );</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;            }</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;            {</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;                <span class="keywordflow">if</span> ( autoFillBackground() )</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;                {</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;                    p.begin( &amp;bs );</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;                    p.fillRect( rect(), palette().brush( backgroundRole() ) );</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;                }</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;                <span class="keywordflow">else</span></div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;                {</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;                    QWidget* bgWidget = qwtBackgroundWidget( <a class="code" href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">plot</a>() );</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160; </div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;                    <a class="code" href="class_qwt_painter.html#ab3207c4d8ee4ce7fd472f8faefb93657">QwtPainter::fillPixmap</a>( bgWidget, bs,</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;                        mapTo( bgWidget, rect().topLeft() ) );</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160; </div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;                    p.begin( &amp;bs );</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;                }</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;            }</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160; </div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;            <a class="code" href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">plot</a>()-&gt;<a class="code" href="class_qwt_polar_plot.html#a2a8350cbd76d8e0f194eb371f347fce2">drawCanvas</a>( &amp;p, contentsRect() );</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160; </div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;            <span class="keywordflow">if</span> ( frameWidth() &gt; 0 )</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;                drawFrame( &amp;p );</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;        }</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160; </div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;        painter.drawPixmap( 0, 0, *m_data-&gt;backingStore );</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    }</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    {</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;        qwtDrawStyledBackground( <span class="keyword">this</span>, &amp;painter );</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160; </div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;        <a class="code" href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">plot</a>()-&gt;<a class="code" href="class_qwt_polar_plot.html#a2a8350cbd76d8e0f194eb371f347fce2">drawCanvas</a>( &amp;painter, contentsRect() );</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160; </div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;        <span class="keywordflow">if</span> ( frameWidth() &gt; 0 )</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;            drawFrame( &amp;painter );</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    }</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;}</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160; </div>
<div class="line"><a name="l00251"></a><span class="lineno"><a class="line" href="class_qwt_polar_canvas.html#ab61788d26953d8e8be220379e8b74f26">  251</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_canvas.html#ab61788d26953d8e8be220379e8b74f26">QwtPolarCanvas::resizeEvent</a>( QResizeEvent* event )</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;{</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    QFrame::resizeEvent( event );</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160; </div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> scaleId = 0; scaleId &lt; QwtPolar::ScaleCount; scaleId++ )</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;        <a class="code" href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">plot</a>()-&gt;<a class="code" href="class_qwt_polar_plot.html#a970b9df01bc032ad6b028232d4bea7f1">updateScale</a>( scaleId );</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;}</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160; </div>
<div class="line"><a name="l00267"></a><span class="lineno"><a class="line" href="class_qwt_polar_canvas.html#a59b8ed7fb1726bd82b60a0298a46f076">  267</a></span>&#160;<a class="code" href="class_qwt_point_polar.html">QwtPointPolar</a> <a class="code" href="class_qwt_polar_canvas.html#a59b8ed7fb1726bd82b60a0298a46f076">QwtPolarCanvas::invTransform</a>( <span class="keyword">const</span> QPoint&amp; pos )<span class="keyword"> const</span></div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* pl = <a class="code" href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">plot</a>();</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160; </div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> azimuthMap = pl-&gt;<a class="code" href="class_qwt_polar_plot.html#a2132ddaed311cae3f7242b49216c694c">scaleMap</a>( QwtPolar::Azimuth );</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> radialMap = pl-&gt;<a class="code" href="class_qwt_polar_plot.html#a2132ddaed311cae3f7242b49216c694c">scaleMap</a>( QwtPolar::Radius );</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160; </div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;    <span class="keyword">const</span> QPointF center = pl-&gt;<a class="code" href="class_qwt_polar_plot.html#abd78afb479d3e1cdb9c15c3a7ffaf159">plotRect</a>().center();</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160; </div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    <span class="keywordtype">double</span> dx = pos.x() - center.x();</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    <span class="keywordtype">double</span> dy = -( pos.y() - center.y() );</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160; </div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_point_polar.html">QwtPointPolar</a> polarPos = <a class="code" href="class_qwt_point_polar.html">QwtPointPolar</a>( QPoint( dx, dy ) ).<a class="code" href="class_qwt_point_polar.html#aab6516a84d4e0a5850f26e4dbaaad0c8">normalized</a>();</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160; </div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    <span class="keywordtype">double</span> azimuth = azimuthMap.<a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">invTransform</a>( polarPos.<a class="code" href="class_qwt_point_polar.html#a4b3ebfcbe0d9b6a7e0b39e50d2895510">azimuth</a>() );</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160; </div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;    <span class="comment">// normalize the azimuth</span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;    <span class="keywordtype">double</span> min = azimuthMap.<a class="code" href="class_qwt_scale_map.html#a64b15c76aa63a521447215018c75bf37">s1</a>();</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    <span class="keywordtype">double</span> max = azimuthMap.<a class="code" href="class_qwt_scale_map.html#a7c8c969923c15880c4620be1d814ef18">s2</a>();</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    <span class="keywordflow">if</span> ( max &lt; min )</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;        qSwap( min, max );</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160; </div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;    <span class="keywordflow">if</span> ( azimuth &lt; min )</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    {</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;        azimuth += max - min;</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;    }</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( azimuth &gt; max )</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;    {</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;        azimuth -= max - min;</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    }</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160; </div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span> radius = radialMap.<a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">invTransform</a>( polarPos.<a class="code" href="class_qwt_point_polar.html#a20a4dd477b5b204b080fed08aa04a7ce">radius</a>() );</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160; </div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="class_qwt_point_polar.html">QwtPointPolar</a>( azimuth, radius );</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;}</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160; </div>
<div class="line"><a name="l00310"></a><span class="lineno"><a class="line" href="class_qwt_polar_canvas.html#a5a74140354315002c9560bee0f3591d8">  310</a></span>&#160;QPoint <a class="code" href="class_qwt_polar_canvas.html#a5a74140354315002c9560bee0f3591d8">QwtPolarCanvas::transform</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_point_polar.html">QwtPointPolar</a>&amp; polarPos )<span class="keyword"> const</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* pl = <a class="code" href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">plot</a>();</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160; </div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> azimuthMap = pl-&gt;<a class="code" href="class_qwt_polar_plot.html#a2132ddaed311cae3f7242b49216c694c">scaleMap</a>( QwtPolar::Azimuth );</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> radialMap = pl-&gt;<a class="code" href="class_qwt_polar_plot.html#a2132ddaed311cae3f7242b49216c694c">scaleMap</a>( QwtPolar::Radius );</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160; </div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span> radius = radialMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( polarPos.<a class="code" href="class_qwt_point_polar.html#a20a4dd477b5b204b080fed08aa04a7ce">radius</a>() );</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span> azimuth = azimuthMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( polarPos.<a class="code" href="class_qwt_point_polar.html#a4b3ebfcbe0d9b6a7e0b39e50d2895510">azimuth</a>() );</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160; </div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;    <span class="keyword">const</span> QPointF pos = qwtPolar2Pos(</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;        pl-&gt;<a class="code" href="class_qwt_polar_plot.html#abd78afb479d3e1cdb9c15c3a7ffaf159">plotRect</a>().center(), radius, azimuth );</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160; </div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;    <span class="keywordflow">return</span> pos.toPoint();</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;}</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160; </div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;<span class="preprocessor">#if QWT_MOC_INCLUDE</span></div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;<span class="preprocessor">#include &quot;moc_qwt_polar_canvas.cpp&quot;</span></div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclass_qwt_painter_html_ab3207c4d8ee4ce7fd472f8faefb93657"><div class="ttname"><a href="class_qwt_painter.html#ab3207c4d8ee4ce7fd472f8faefb93657">QwtPainter::fillPixmap</a></div><div class="ttdeci">static void fillPixmap(const QWidget *, QPixmap &amp;, const QPoint &amp;offset=QPoint())</div><div class="ttdef"><b>Definition:</b> <a href="qwt__painter_8cpp_source.html#l01311">qwt_painter.cpp:1311</a></div></div>
<div class="ttc" id="aclass_qwt_point_polar_html"><div class="ttname"><a href="class_qwt_point_polar.html">QwtPointPolar</a></div><div class="ttdoc">A point in polar coordinates.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__polar_8h_source.html#l00028">qwt_point_polar.h:29</a></div></div>
<div class="ttc" id="aclass_qwt_point_polar_html_a20a4dd477b5b204b080fed08aa04a7ce"><div class="ttname"><a href="class_qwt_point_polar.html#a20a4dd477b5b204b080fed08aa04a7ce">QwtPointPolar::radius</a></div><div class="ttdeci">double radius() const</div><div class="ttdoc">Returns the radius.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__polar_8h_source.html#l00102">qwt_point_polar.h:102</a></div></div>
<div class="ttc" id="aclass_qwt_point_polar_html_a4b3ebfcbe0d9b6a7e0b39e50d2895510"><div class="ttname"><a href="class_qwt_point_polar.html#a4b3ebfcbe0d9b6a7e0b39e50d2895510">QwtPointPolar::azimuth</a></div><div class="ttdeci">double azimuth() const</div><div class="ttdoc">Returns the azimuth.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__polar_8h_source.html#l00108">qwt_point_polar.h:108</a></div></div>
<div class="ttc" id="aclass_qwt_point_polar_html_aab6516a84d4e0a5850f26e4dbaaad0c8"><div class="ttname"><a href="class_qwt_point_polar.html#aab6516a84d4e0a5850f26e4dbaaad0c8">QwtPointPolar::normalized</a></div><div class="ttdeci">QwtPointPolar normalized() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__polar_8cpp_source.html#l00118">qwt_point_polar.cpp:118</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_a1fe73f1cc6086c16dbbce571db807a6a"><div class="ttname"><a href="class_qwt_polar_canvas.html#a1fe73f1cc6086c16dbbce571db807a6a">QwtPolarCanvas::PaintAttributes</a></div><div class="ttdeci">QFlags&lt; PaintAttribute &gt; PaintAttributes</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8h_source.html#l00050">qwt_polar_canvas.h:50</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_a2f3dc31a8c28390e3a7ec13cab60250e"><div class="ttname"><a href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">QwtPolarCanvas::plot</a></div><div class="ttdeci">QwtPolarPlot * plot()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8cpp_source.html#l00097">qwt_polar_canvas.cpp:97</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_a371f88face8daaac6cd556e5f7596613"><div class="ttname"><a href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">QwtPolarCanvas::PaintAttribute</a></div><div class="ttdeci">PaintAttribute</div><div class="ttdoc">Paint attributes.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8h_source.html#l00040">qwt_polar_canvas.h:41</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_a371f88face8daaac6cd556e5f7596613ab8c07aaa7ba2c8833fd4d0cfd9955829"><div class="ttname"><a href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613ab8c07aaa7ba2c8833fd4d0cfd9955829">QwtPolarCanvas::BackingStore</a></div><div class="ttdeci">@ BackingStore</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8h_source.html#l00048">qwt_polar_canvas.h:47</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_a4afef808e10242a83a26f4b856aa4cef"><div class="ttname"><a href="class_qwt_polar_canvas.html#a4afef808e10242a83a26f4b856aa4cef">QwtPolarCanvas::invalidateBackingStore</a></div><div class="ttdeci">void invalidateBackingStore()</div><div class="ttdoc">Invalidate the internal backing store.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8cpp_source.html#l00176">qwt_polar_canvas.cpp:176</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_a59b8ed7fb1726bd82b60a0298a46f076"><div class="ttname"><a href="class_qwt_polar_canvas.html#a59b8ed7fb1726bd82b60a0298a46f076">QwtPolarCanvas::invTransform</a></div><div class="ttdeci">QwtPointPolar invTransform(const QPoint &amp;) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8cpp_source.html#l00267">qwt_polar_canvas.cpp:267</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_a5a74140354315002c9560bee0f3591d8"><div class="ttname"><a href="class_qwt_polar_canvas.html#a5a74140354315002c9560bee0f3591d8">QwtPolarCanvas::transform</a></div><div class="ttdeci">QPoint transform(const QwtPointPolar &amp;) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8cpp_source.html#l00310">qwt_polar_canvas.cpp:310</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_a6ec2cf0f674a6aa0d5478de546de6f84"><div class="ttname"><a href="class_qwt_polar_canvas.html#a6ec2cf0f674a6aa0d5478de546de6f84">QwtPolarCanvas::paintEvent</a></div><div class="ttdeci">virtual void paintEvent(QPaintEvent *) override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8cpp_source.html#l00186">qwt_polar_canvas.cpp:186</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_a9834b8341d95b4435baf7774ca390328"><div class="ttname"><a href="class_qwt_polar_canvas.html#a9834b8341d95b4435baf7774ca390328">QwtPolarCanvas::testPaintAttribute</a></div><div class="ttdeci">bool testPaintAttribute(PaintAttribute) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8cpp_source.html#l00164">qwt_polar_canvas.cpp:164</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_aa5f39d822a71e056b4735da113a0a4e5"><div class="ttname"><a href="class_qwt_polar_canvas.html#aa5f39d822a71e056b4735da113a0a4e5">QwtPolarCanvas::QwtPolarCanvas</a></div><div class="ttdeci">QwtPolarCanvas(QwtPolarPlot *)</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8cpp_source.html#l00077">qwt_polar_canvas.cpp:77</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_aaf0b8442dc8b32353d7705c9dcc28bc0"><div class="ttname"><a href="class_qwt_polar_canvas.html#aaf0b8442dc8b32353d7705c9dcc28bc0">QwtPolarCanvas::~QwtPolarCanvas</a></div><div class="ttdeci">virtual ~QwtPolarCanvas()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8cpp_source.html#l00091">qwt_polar_canvas.cpp:91</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_ab61788d26953d8e8be220379e8b74f26"><div class="ttname"><a href="class_qwt_polar_canvas.html#ab61788d26953d8e8be220379e8b74f26">QwtPolarCanvas::resizeEvent</a></div><div class="ttdeci">virtual void resizeEvent(QResizeEvent *) override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8cpp_source.html#l00251">qwt_polar_canvas.cpp:251</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_ad54cdb87c053882b5567753d7dfa6072"><div class="ttname"><a href="class_qwt_polar_canvas.html#ad54cdb87c053882b5567753d7dfa6072">QwtPolarCanvas::backingStore</a></div><div class="ttdeci">const QPixmap * backingStore() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8cpp_source.html#l00170">qwt_polar_canvas.cpp:170</a></div></div>
<div class="ttc" id="aclass_qwt_polar_canvas_html_ae7010120b9f6905bd31f748775c80b6c"><div class="ttname"><a href="class_qwt_polar_canvas.html#ae7010120b9f6905bd31f748775c80b6c">QwtPolarCanvas::setPaintAttribute</a></div><div class="ttdeci">void setPaintAttribute(PaintAttribute, bool on=true)</div><div class="ttdoc">Changing the paint attributes.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8cpp_source.html#l00118">qwt_polar_canvas.cpp:118</a></div></div>
<div class="ttc" id="aclass_qwt_polar_plot_html"><div class="ttname"><a href="class_qwt_polar_plot.html">QwtPolarPlot</a></div><div class="ttdoc">A plotting widget, displaying a polar coordinate system.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8h_source.html#l00046">qwt_polar_plot.h:47</a></div></div>
<div class="ttc" id="aclass_qwt_polar_plot_html_a2132ddaed311cae3f7242b49216c694c"><div class="ttname"><a href="class_qwt_polar_plot.html#a2132ddaed311cae3f7242b49216c694c">QwtPolarPlot::scaleMap</a></div><div class="ttdeci">QwtScaleMap scaleMap(int scaleId, double radius) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l00730">qwt_polar_plot.cpp:730</a></div></div>
<div class="ttc" id="aclass_qwt_polar_plot_html_a2a8350cbd76d8e0f194eb371f347fce2"><div class="ttname"><a href="class_qwt_polar_plot.html#a2a8350cbd76d8e0f194eb371f347fce2">QwtPolarPlot::drawCanvas</a></div><div class="ttdeci">virtual void drawCanvas(QPainter *, const QRectF &amp;) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l00930">qwt_polar_plot.cpp:930</a></div></div>
<div class="ttc" id="aclass_qwt_polar_plot_html_a970b9df01bc032ad6b028232d4bea7f1"><div class="ttname"><a href="class_qwt_polar_plot.html#a970b9df01bc032ad6b028232d4bea7f1">QwtPolarPlot::updateScale</a></div><div class="ttdeci">void updateScale(int scaleId)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l01040">qwt_polar_plot.cpp:1040</a></div></div>
<div class="ttc" id="aclass_qwt_polar_plot_html_abd78afb479d3e1cdb9c15c3a7ffaf159"><div class="ttname"><a href="class_qwt_polar_plot.html#abd78afb479d3e1cdb9c15c3a7ffaf159">QwtPolarPlot::plotRect</a></div><div class="ttdeci">QRectF plotRect() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l01120">qwt_polar_plot.cpp:1120</a></div></div>
<div class="ttc" id="aclass_qwt_scale_map_html"><div class="ttname"><a href="class_qwt_scale_map.html">QwtScaleMap</a></div><div class="ttdoc">A scale map.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00026">qwt_scale_map.h:27</a></div></div>
<div class="ttc" id="aclass_qwt_scale_map_html_a504f1627e0e02ddac03d2ce46507b865"><div class="ttname"><a href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">QwtScaleMap::transform</a></div><div class="ttdeci">double transform(double s) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00137">qwt_scale_map.h:137</a></div></div>
<div class="ttc" id="aclass_qwt_scale_map_html_a64b15c76aa63a521447215018c75bf37"><div class="ttname"><a href="class_qwt_scale_map.html#a64b15c76aa63a521447215018c75bf37">QwtScaleMap::s1</a></div><div class="ttdeci">double s1() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00083">qwt_scale_map.h:83</a></div></div>
<div class="ttc" id="aclass_qwt_scale_map_html_a7c8c969923c15880c4620be1d814ef18"><div class="ttname"><a href="class_qwt_scale_map.html#a7c8c969923c15880c4620be1d814ef18">QwtScaleMap::s2</a></div><div class="ttdeci">double s2() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00091">qwt_scale_map.h:91</a></div></div>
<div class="ttc" id="aclass_qwt_scale_map_html_ab1ee6d62addf3f9cf091d425be9ac642"><div class="ttname"><a href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">QwtScaleMap::invTransform</a></div><div class="ttdeci">double invTransform(double p) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00154">qwt_scale_map.h:154</a></div></div>
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